Finding the Third Proportional to 499,564 and 749,360

Step by Step Solution

1. Step 1: Write the proportion equation
   499,564 : 749,360 = 749,360 : x
2. Step 2: Convert to fraction form
   499,564/749,360 = 749,360/x
3. Step 3: Cross multiply
   499,564x = 749,360 × 749,360
4. Step 4: Simplify right side
   499,564x = 561,540,409,600
5. Step 5: Solve for x
   x = 561,540,409,600/499,564
6. Step 6: Final answer
   x = 1,124,061.00